The WORTH Softball Fastpitch Protac FPX10SPY Training Balls are a set of two 10” softballs made of composite leather with machine-stitched seams. These balls are designed for training purposes and are suitable for fastpitch softball players. The balls come in a color combination of pink and yellow, giving players a visual cue to track the ball during training sessions. Made by the brand Worth, these balls are ideal for players looking to improve their skills on the field.